from migen import Constant
fetch_action = 3
-fetch_action_default = Constant(0x0, fetch_action)
-fetch_action_fence = Constant(0x1, fetch_action)
-fetch_action_jump = Constant(0x2, fetch_action)
-fetch_action_wait = Constant(0x3, fetch_action)
-fetch_action_error_trap = Constant(0x4, fetch_action)
-fetch_action_noerror_trap = Constant(0x5, fetch_action)
-fetch_action_ack_trap = Constant(0x6, fetch_action)
+class FA:
+ """ Fetch action constants
+ """
+ default = Constant(0x0, fetch_action)
+ fence = Constant(0x1, fetch_action)
+ jump = Constant(0x2, fetch_action)
+ wait = Constant(0x3, fetch_action)
+ error_trap = Constant(0x4, fetch_action)
+ noerror_trap = Constant(0x5, fetch_action)
+ ack_trap = Constant(0x6, fetch_action)
fetch_output_state = 2
-fetch_output_state_empty = Constant(0x0, fetch_output_state)
-fetch_output_state_valid = Constant(0x1, fetch_output_state)
-fetch_output_state_trap = Constant(0x2, fetch_output_state)
+class FOS:
+ """ Fetch output state constants
+ """
+ empty = Constant(0x0, fetch_output_state)
+ valid = Constant(0x1, fetch_output_state)
+ trap = Constant(0x2, fetch_output_state)
decode_action = 12
-decode_action_trap_illegal_instruction = Constant(0x1, decode_action)
-decode_action_load = Constant(0x2, decode_action)
-decode_action_fence = Constant(0x4, decode_action)
-decode_action_fence_i = Constant(0x8, decode_action)
-decode_action_op_op_imm = Constant(0x10, decode_action)
-decode_action_lui_auipc = Constant(0x20, decode_action)
-decode_action_store = Constant(0x40, decode_action)
-decode_action_branch = Constant(0x80, decode_action)
-decode_action_jalr = Constant(0x100, decode_action)
-decode_action_jal = Constant(0x200, decode_action)
-decode_action_trap_ecall_ebreak = Constant(0x400, decode_action)
-decode_action_csr = Constant(0x800, decode_action)
-
+class DA:
+ """ Decode action constants
+ """
+ trap_illegal_instruction = Constant(0x1, decode_action)
+ load = Constant(0x2, decode_action)
+ fence = Constant(0x4, decode_action)
+ fence_i = Constant(0x8, decode_action)
+ op_op_imm = Constant(0x10, decode_action)
+ lui_auipc = Constant(0x20, decode_action)
+ store = Constant(0x40, decode_action)
+ branch = Constant(0x80, decode_action)
+ jalr = Constant(0x100, decode_action)
+ jal = Constant(0x200, decode_action)
+ trap_ecall_ebreak = Constant(0x400, decode_action)
+ csr = Constant(0x800, decode_action)